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The Douglas A2D Skyshark was an American turboprop-powered attack aircraft built by the Douglas Aircraft Company for the United States Navy.The program was substantially delayed by engine reliability problems, and was canceled because more promising jet attack aircraft had entered development and the smaller escort carriers the A2D was intended to utilize were being phased out.
The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced in the 1960s. Lockheed based it on the L-188 Electra commercial airliner; it is easily distinguished from the Electra by its distinctive tail stinger or "MAD" boom, used for the magnetic anomaly detection (MAD) of submarines.
This image is a derivative work of the following images: File:Turboprop_operation.png licensed with Cc-by-2.5, Cc-by-sa-3.0-migrated, GFDL 2005-12-15T21:57:29Z Emoscopes 549x339 (30298 Bytes) to 256 colours; 2005-12-15T21:54:36Z Emoscopes 549x339 (78428 Bytes) Schematic diagram of the operation of a turboprop engine. Drawn using XaraXtreme by ...
The Republic XF-84H "Thunderscreech" is an American experimental turboprop aircraft derived from the F-84F Thunderstreak.Powered by a turbine engine that was mated to a supersonic propeller, the XF-84H had the potential of setting the unofficial air speed record for propeller-driven aircraft, but was unable to overcome aerodynamic deficiencies and engine reliability problems, resulting in the ...
The Lockheed L-1249 Super Constellation was a turboprop-powered version of the Lockheed Constellation aircraft family. Built in 1954 and 1955, the aircraft were used as prototypes for possible future military transport aircraft for both the United States Air Force and United States Navy.
The Pilatus PC-9 is a single-engine, low-wing tandem-seat turboprop training aircraft designed and manufactured by Pilatus Aircraft of Switzerland.. Developed as a more powerful evolution of the preceding Pilatus PC-7, the PC-9 features an enlarged cockpit and a ventral airbrake while possessing only a low level of structural commonality with its predecessor.
Some large turboprop engines, such as the original Bristol Proteus and the modern TP400 have free turbines. The TP400 is a three-shaft design, with two compressor turbines and a separate power turbine. Where the turbine is at the rear of the engine, a turboprop engine requires a long drive shaft forwards to the propeller reduction gearbox. Such ...
The ATP was developed during the 1980s, events such as such as the 1979 oil crisis and increasing public concern regarding aircraft noise led business planners at British Aerospace to believe that there was a market for a short-range, low-noise, fuel-efficient turboprop aircraft.